Home / 499,062,311.67-688,659,771.92-276,039,193.22

Finding the Fourth Proportional to 499,062,311.67, 688,659,771.92 and 276,039,193.22

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Solution

The fourth proportional to 499,062,311.67, 688,659,771.92 and 276,039,193.22 is: 380,908,522.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,062,311.67 : 688,659,771.92 = 276,039,193.22 : x
  2. Step 2: Convert to fraction form
    499,062,311.67/688,659,771.92 = 276,039,193.22/x
  3. Step 3: Cross multiply
    499,062,311.67x = 688,659,771.92 × 276,039,193.22
  4. Step 4: Simplify right side
    499,062,311.67x = 190,097,087,839,042,496
  5. Step 5: Solve for x
    x = 190,097,087,839,042,496/499,062,311.67
  6. Step 6: Final answer
    x = 380,908,522.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.